Container lock



FIG. 1 is a left front perspective view of a container lock showing our new design;

FIG. 2 is a right front perspective view

FIG. 3 is a top plan view;

FIG. 4 is front elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a rear elevational view;

FIG. 7 is a left side elevational view; and,

FIG. 8 is a bottom plan view. 

CLAIM The ornamental design for a container lock, as shown and described. 